2003132023021 has 2 divisors, whose sum is σ = 2003132023022. Its totient is φ = 2003132023020.

The previous prime is 2003132022979. The next prime is 2003132023031. The reversal of 2003132023021 is 1203202313002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1897905746025 + 105226276996 = 1377645^2 + 324386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003132023021 - 2²⁹ = 2002595152109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2003132023021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003132023031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001566011510 + 1001566011511.

It is an arithmetic number, because the mean of its divisors is an integer number (1001566011511).

Almost surely, 2^{2003132023021} is an apocalyptic number.

It is an amenable number.

2003132023021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003132023021 is an equidigital number, since it uses as much as digits as its factorization.

2003132023021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2003132023021 its reverse (1203202313002), we get a palindrome (3206334336023).

The spelling of 2003132023021 in words is "two trillion, three billion, one hundred thirty-two million, twenty-three thousand, twenty-one".